/Engine/Source/Runtime/Engine/Public/SkeletalRenderPublic.h
Get the weight buffer either from the component LOD info or the skeletal mesh LOD render data
static [FSkinWeightVertexBuffer](API\Runtime\Engine\Rendering\FSkinWeightVertexBuffer) * GetSkinWeightVertexBuffer ( [FSkeletalMeshLODRenderData](API\Runtime\Engine\Rendering\FSkeletalMeshLODRenderData) & LODData, [FSkelMeshComponentLODInfo](API\Runtime\Engine\Components\FSkelMeshComponentLODInfo) * CompLODInfo )